Description
Ensure safe combustion in your Lennox or Armstrong gas furnace with the genuine Lennox 27W17 pressure switch. This finely calibrated SPST‑NO snap‑action switch, actuating at 0.85 inches of water column, is critical for accurate detection of inducer airflow and furnace startup approval.
Specifications:
- Product Height: 1.6 IN
- Product Width: 4.51 IN
- Diameter: 2.75 IN
- Gross Weight: 0.3 LB
- Amperage (AMPs): 5A
- Pressure Settings: Actuates at 0.85″ W.C.
- Additional Information: Contact Rating: 5 Amp Resistive at 24 VAC
- Configuration: SPST-N.O. Contact










